Home / 23,171.88-31,975.94-13,099.73

Finding the Fourth Proportional to 23,171.88, 31,975.94 and 13,099.73

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Solution

The fourth proportional to 23,171.88, 31,975.94 and 13,099.73 is: 18,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171.88 : 31,975.94 = 13,099.73 : x
  2. Step 2: Convert to fraction form
    23,171.88/31,975.94 = 13,099.73/x
  3. Step 3: Cross multiply
    23,171.88x = 31,975.94 × 13,099.73
  4. Step 4: Simplify right side
    23,171.88x = 418,876,194.94
  5. Step 5: Solve for x
    x = 418,876,194.94/23,171.88
  6. Step 6: Final answer
    x = 18,076.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.